Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
dblack.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-18 06:02:09 UTC · ↺ Refresh
MX Hostnames
- dblack-co-uk.mail.protection.outlook.com
MX Priorities
- dblack-co-uk.mail.protection.outlook.com: 5
A / AAAA Records
- 185.137.240.205 ↩ intercdn.co.uk
Mail Server IPs
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.lucidsystems.net hostmaster.lucidsystems.net 1752684372 3600 600 604800 3600
Primary NS (mname)
ns1.lucidsystems.net
Admin Email (rname)
hostmaster@lucidsystems.net
Serial
1752684372
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.lucidsystems.net
ns2.lucidsystems.net
ns3.lucidsystems.net
ns4.lucidsystems.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:188.240.191.161 ip4:46.33.133.160 include:spf.lucidsystems.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms92814752
- SPFv=spf1 ip4:188.240.191.161 ip4:46.33.133.160 include:spf.lucidsystems.net include:spf.protection.outlook.com -all
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